Collision Resistance@lemm.ee to World News@lemmy.mlEnglish · 1 year agoNew Covid wave has begun and masks should be worn again, scientists warnwww.independent.co.ukexternal-linkmessage-square867fedilinkarrow-up11.02Karrow-down174
arrow-up1942arrow-down1external-linkNew Covid wave has begun and masks should be worn again, scientists warnwww.independent.co.ukCollision Resistance@lemm.ee to World News@lemmy.mlEnglish · 1 year agomessage-square867fedilink
minus-squarePiers@beehaw.orglinkfedilinkEnglisharrow-up2·1 year agoThe thing specifically to avoid are ones with valves. Anything else with reasonable filtration will protect others.
The thing specifically to avoid are ones with valves. Anything else with reasonable filtration will protect others.